BEWARE: Lenovo Thinkpad L15 Gen3 SSD is practically un-upgradeable. Laptop comes with 256GB and bigger SSD is too thick to fit. There also goes a cooling plate on top. : r/thinkpad
Lenovo Thinkpad L15 Gen 3 Ryzen 7 How To Upgrade M.2 Pcie Nvme SSD Disassembly - YouTube
Lenovo ThinkPad L15 Gen 3 (Intel) (21C3000LCK), čierna | MALL.SK
Lenovo ThinkPad L15 Gen 4 (AMD) (21H7000PCK), čierna | MALL.SK
Lenovo ThinkPad L15 Gen 3 review - can it beat the competition? | LaptopMedia.com
Lenovo ThinkPad L15 Gen 2, 20X7S01Y00, čierny - notebook | Datacomp.sk